Bandhia surname is an Indian last name. Bandhia surname also indicates the caste of person. Bandhia surname definition is (From bandh an embankment.) A subcaste of Darzi and Dhimar. A section of Chamar.. People with Bandhia surname can also be found in other south asian countries like Pakistan, Bangladesh, Nepal and Sri Lanka. Bandhia surname definition is from a survey conducted during British rule in India. Many surnames in India indicate the type of work done by the person or by someone in family from whom the family inherited the surname. Surnames help spread casteism in India. One of the intellectuals suggested to drop surnames in India so that people can overcome caste differences easily.